to give someone drugs to make them calm or to make them sleep in inglese:

He was constantly thrashing about in the bed. It would have been tempting to sedate him and put up the bed rails

I prefer sedate colours.

The ​fight against a ​chemical ​storage ​site has ​transformed a ​normally sedate ​village into a ​battleground. The ​speed ​limit is a sedate 55 ​mph.

It was a sedate woman- an ideal wife.